Citrus bergamia is a small tree which blossoms during the winter. The juice tastes less sour than lemon, but more bitter than grapefruit.
The distinctive aroma of the bergamot oil is most commonly known for its use in Earl Grey tea. The juice of the fruit has also been used in Calabrian indigenous medicine to treat malaria, and its essential oil is popular in aromatherapy applications. It is extracted from the aromatic skin of this sour fruit is used to flavor Earl Grey and Lady Grey teas, and confectionery.